The American Resort Development Association (ARDA) is the Washington D.C.-based professional association representing the vacation ownership and resort development industries. Established in 1969, ARDA today has nearly 1,000 corporate members ranging from privately held firms to publicly traded companies and international corporations with expertise in shared ownership interests in leisure real estate. The membership also includes timeshare owner associations (HOAs), resort management companies, and owners through the ARDA Resort Owners Coalition (ARDA-ROC).